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SRM Method Library Table 27. Compounds For GCMS Positive Electron Ionization (EI) SRM Detection (Organized by Compound Name), continued Compound Chlorbromuron Nominal Mass 292 — Exact Mass 291.9615 — M Defect -13 -13 Precursor Ion (m/z) 293.96 293.96 Product Ion (m/z) 293.96 60.99 Collision Energy (eV) 5 10 Comments — Chlorbufam 223 — 223.0401 — 18 18 223.04 127.02 171.03 92.02 10 10 Degrades in GC injector, as all carbamates do Chlordane 406 — 405.7982 — -50 -50 372.81 374.81 265.87 267.87 15 15 — Chlordane, alpha (cis) 406 — 405.7982 — -50 -50 409.80 372.81 374.81 265.87 5 18 — Chlordane, gamma (trans) 406 — 405.7982 — -50 -50 372.81 276.86 265.87 203.90 15 16 — Chlordene 336 — 335.8604 — -42 -42 300.87 302.87 229.90 231.90 15 20 — Chlordecone 486 — 485.6839 — -65 -65 271.82 273.82 236.85 238.84 20 20 Very fragile; works with TRACE GC Ultra PTV; others poor; do not use SSL Chlorethoxyphos 334 — 333.8923 — -32 -32 262.92 152.95 206.93 96.97 15 15 — Thermo Scientific Pesticide Analyzer Reference 105
SRM Method Library Table 27. Compounds For GCMS Positive Electron Ionization (EI) SRM Detection (Organized by Compound Name), continued Compound Chlorfenapyr Nominal Mass 406 — Exact Mass 405.9696 — M Defect -7 -7 Precursor Ion (m/z) 246.98 248.98 Product Ion (m/z) 226.98 228.98 Collision Energy (eV) 20 20 Comments — Chlorfenprop-methyl 232 — — 232.0059 — — 3 3 3 165.00 196.00 196.00 137.00 165.00 137.00 10 10 22 — Chlorfenson 302 — 301.9572 — -14 -14 174.98 301.96 110.98 174.98 10 10 — Chlorfenvinphos-E and -Z 358 — — 357.9697 — — -8 -8 -8 322.97 324.97 266.98 266.98 268.98 158.99 15 10 15 — Chloridazon 221 — — 221.0357 — — 16 16 16 220.04 220.04 220.04 193.03 166.03 158.03 23 23 25 — Chlormephos 234 — 233.9707 — -13 -13 153.98 233.97 120.98 120.98 5 14 — Chlorobenzilate 324 — — — 324.0321 — — — 10 10 10 10 253.03 251.02 251.02 139.01 141.01 139.01 111.01 111.01 15 20 20 15 Structural isomer to the propylate; see NIST; cannot be separated on column 106 Pesticide Analyzer Reference Thermo Scientific
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Pesticide Analyzer Reference
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© 2009 Thermo Fisher Scientific In
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Contents 4 Pesticide Analyzer Refer
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Introduction Modern analytical meth
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About This Manual This manual also
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What is a Pesticide? Pesticide Chem
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What is a Pesticide? Table 2. Pesti
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Preparing Samples Preparing Samples
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Preparing Samples Extracting Sample
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Preparing Samples 5. Place the tube
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Preparing Samples Exchanging Solven
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Preparing Samples 5. Centrifuge the
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Setting Up a Method 9. Now you can
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Configuring the GC/MS System for Pe
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List of Pesticide Compounds Table 2
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SRM Method Library Table 27. Compou
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References References 1. Anastassia
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